From 8f64eea63dfa6b60ada039526f762bde70ca7e3c Mon Sep 17 00:00:00 2001
From: makoto kuwata <kwa@kuwata-lab.com>
Date: Wed, 18 Jul 2007 20:01:12 +0000
Subject: - [enhance] add Erubis::XmlHelper::url_encode() (and u() which is
 alias of url_encode()) - [enhance] Erubis::RubyEvaluator#evaluate() now
 convert @src into @_proc object and do instance_eval(&@_proc) - [change]
 Erubis::Converter#convert() clears @_proc to nil

---
 ChangeLog.txt                      |  4 ++++
 lib/erubis/converter.rb            |  1 +
 lib/erubis/evaluator.rb            | 13 +++++++++++--
 lib/erubis/helper.rb               | 12 ++++++++++++
 lib/erubis/helpers/rails_helper.rb |  7 ++++---
 5 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/ChangeLog.txt b/ChangeLog.txt
index 7baf36d..0ea74e8 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -2,6 +2,10 @@
 .?lastupdate:	$Date$
 .?version:	$Rev$
 
+: Rev.89 (2007-07-19)
+	.- [enhance] add Erubis::XmlHelper::url_encode() (and u() which is alias of url_encode())
+	.- [enhance] Erubis::RubyEvaluator#evaluate() now convert @src into @_proc object and do instance_eval(&@_proc)
+	.- [change] Erubis::Converter#convert() clears @_proc to nil
 
 : Rev.88 (2007-07-12)
 	.- [bugfix] main.rb: Object#hash() was returned instead of context in load_datafile()
diff --git a/lib/erubis/converter.rb b/lib/erubis/converter.rb
index 8ad0121..0781f80 100644
--- a/lib/erubis/converter.rb
+++ b/lib/erubis/converter.rb
@@ -36,6 +36,7 @@ module Erubis
       @preamble.nil? ? add_preamble(codebuf) : (@preamble && (codebuf << @preamble))
       convert_input(codebuf, input)
       @postamble.nil? ? add_postamble(codebuf) : (@postamble && (codebuf << @postamble))
+      @_proc = nil    # clear cached proc object
       return codebuf  # or codebuf.join()
     end
 
diff --git a/lib/erubis/evaluator.rb b/lib/erubis/evaluator.rb
index b2100db..889fa49 100644
--- a/lib/erubis/evaluator.rb
+++ b/lib/erubis/evaluator.rb
@@ -53,7 +53,8 @@ module Erubis
       _arg = _binding_or_hash
       if _arg.is_a?(Hash)
         ## load _context data as local variables by eval
-        eval _arg.keys.inject("") { |s, k| s << "#{k.to_s} = _arg[#{k.inspect}];" }
+        #eval _arg.keys.inject("") { |s, k| s << "#{k.to_s} = _arg[#{k.inspect}];" }
+        eval _arg.collect{|k,v| "#{k} = _arg[#{k.inspect}]; "}.join
         _arg = binding()
       end
       return eval(@src, _arg, (@filename || '(erubis)'))
@@ -62,9 +63,17 @@ module Erubis
     ## invoke context.instance_eval(@src)
     def evaluate(context=Context.new)
       context = Context.new(context) if context.is_a?(Hash)
-      return context.instance_eval(@src, (@filename || '(erubis)'))
+      #return context.instance_eval(@src, @filename || '(erubis)')
+      @_proc ||= eval("proc { #{@src} }", TOPLEVEL_BINDING, @filename || '(erubis)')
+      return context.instance_eval(&@_proc)
     end
 
+    ## define method to module_object. this is equivarent to ERB#def_method.
+    def def_method(module_object, method_name, filename=nil)
+      module_object.module_eval("def #{method_name}; #{@src}; end", filename || @filename)
+    end
+
+
   end
 
 
diff --git a/lib/erubis/helper.rb b/lib/erubis/helper.rb
index 489eaa2..292ca3c 100644
--- a/lib/erubis/helper.rb
+++ b/lib/erubis/helper.rb
@@ -27,9 +27,21 @@ module Erubis
       #value.to_s.gsub(/[&<>"]/) { ESCAPE_TABLE[$&] }
     end
 
+    def escape_xml2(value)
+      return value.to_s.gsub(/\&/,'&amp;').gsub(/</,'&lt;').gsub(/>/,'&gt;').gsub(/"/,'&quot;')
+    end
+
     alias h escape_xml
     alias html_escape escape_xml
 
+    def url_encode(str)
+      return str.gsub(/[^-_.a-zA-Z0-9]+/) { |s|
+        s.unpack('C*').collect { |i| "%%%02X" % i }.join
+      }
+    end
+
+    alias u url_encode
+
   end
 
 
diff --git a/lib/erubis/helpers/rails_helper.rb b/lib/erubis/helpers/rails_helper.rb
index 14a0b1c..914ef01 100644
--- a/lib/erubis/helpers/rails_helper.rb
+++ b/lib/erubis/helpers/rails_helper.rb
@@ -79,7 +79,7 @@ module Erubis
         @@show_src = flag
       end
 
-      ##--- preprocessor ---
+      ##--- preprocessor: experimental ---
       @@preprocessing = false
       def self.preprocessing
         @@preprocessing
@@ -89,6 +89,7 @@ module Erubis
       end
       class PreprocessingEruby < Erubis::Eruby
         def initialize(input, params={})
+          params = params.dup
           params[:pattern] = '\[% %\]'    # use '[%= %]' instead of '<%= %>'
           params[:escape] = true          # transport '[%= %]' and '[%== %]'
           super
@@ -208,7 +209,7 @@ class ActionView::Base  # :nodoc:
     klass      = Erubis::Helpers::RailsHelper.engine_class
     properties = Erubis::Helpers::RailsHelper.init_properties
     show_src   = Erubis::Helpers::RailsHelper.show_src
-    ## --- preprocessing ---
+    ## --- preprocessing: experimental ---
     if Erubis::Helpers::RailsHelper.preprocessing
       preprocessor = Erubis::Helpers::RailsHelper::PreprocessingEruby.new(template)
       template = self.instance_eval(preprocessor.src)
@@ -221,7 +222,7 @@ class ActionView::Base  # :nodoc:
     src
   end
 
-  ## --- preprocessing ---
+  ## --- preprocessing: experimental ---
   def _expr(arg)
     return "<%=#{arg}%>"
   end
-- 
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